Dec 12 09:07:57.144 INFO checking revonet-0.2.1 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 09:07:57.144 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 09:07:57.322 INFO [stdout] cd1f19bc02abbfb5d10bc93fb9f1036fc46bf8fbe6cfa15d4470ac2b652c091e
Dec 12 09:07:57.324 INFO running `"docker" "start" "-a" "cd1f19bc02abbfb5d10bc93fb9f1036fc46bf8fbe6cfa15d4470ac2b652c091e"`
Dec 12 09:07:57.889 INFO [stderr] usermod: no changes
Dec 12 09:07:57.969 INFO [stderr]     Checking revonet v0.2.1 (/source)
Dec 12 09:08:00.284 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.284 INFO [stderr]   --> src/ea.rs:65:45
Dec 12 09:08:00.284 INFO [stderr]    |
Dec 12 09:08:00.284 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 12 09:08:00.284 INFO [stderr]    |                                             ----^^^
Dec 12 09:08:00.284 INFO [stderr]    |                                             |
Dec 12 09:08:00.284 INFO [stderr]    |                                             help: remove this `mut`
Dec 12 09:08:00.284 INFO [stderr]    |
Dec 12 09:08:00.284 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 09:08:00.284 INFO [stderr] 
Dec 12 09:08:00.348 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.348 INFO [stderr]    --> src/ea.rs:228:97
Dec 12 09:08:00.348 INFO [stderr]     |
Dec 12 09:08:00.348 INFO [stderr] 228 | pub fn create_population<T: Individual, P: Problem, R: Rng+Sized>(pop_size: u32, ind_size: u32, mut rng: &mut R, problem: &P) -> Vec<T> {
Dec 12 09:08:00.348 INFO [stderr]     |                                                                                                 ----^^^
Dec 12 09:08:00.348 INFO [stderr]     |                                                                                                 |
Dec 12 09:08:00.348 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 12 09:08:00.348 INFO [stderr] 
Dec 12 09:08:00.372 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.372 INFO [stderr]   --> src/ga.rs:82:182
Dec 12 09:08:00.372 INFO [stderr]    |
Dec 12 09:08:00.372 INFO [stderr] 82 | pub fn cross<R: Rng+Sized, T: Individual+Clone>(popul: &Vec<T>, sel_inds: &Vec<usize>, children: &mut Vec<T>, use_elite: bool, x_type: CrossoverOperator, x_prob: f32, x_alpha: f32, mut rng: &mut R) {
Dec 12 09:08:00.372 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 12 09:08:00.372 INFO [stderr]    |                                                                                                                                                                                      |
Dec 12 09:08:00.372 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 12 09:08:00.372 INFO [stderr] 
Dec 12 09:08:00.372 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.372 INFO [stderr]    --> src/ga.rs:121:102
Dec 12 09:08:00.372 INFO [stderr]     |
Dec 12 09:08:00.372 INFO [stderr] 121 | fn cross_arithmetic<T: Individual, R: Rng+Sized>(p1: &T, p2: &T, c1: &mut T, c2: &mut T, alpha: f32, mut rng: &mut R) {
Dec 12 09:08:00.372 INFO [stderr]     |                                                                                                      ----^^^
Dec 12 09:08:00.372 INFO [stderr]     |                                                                                                      |
Dec 12 09:08:00.372 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 12 09:08:00.372 INFO [stderr] 
Dec 12 09:08:00.464 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.464 INFO [stderr]   --> src/ne.rs:67:45
Dec 12 09:08:00.464 INFO [stderr]    |
Dec 12 09:08:00.464 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 12 09:08:00.464 INFO [stderr]    |                                             ----^^^
Dec 12 09:08:00.464 INFO [stderr]    |                                             |
Dec 12 09:08:00.464 INFO [stderr]    |                                             help: remove this `mut`
Dec 12 09:08:00.464 INFO [stderr] 
Dec 12 09:08:00.524 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.524 INFO [stderr]   --> src/ea.rs:65:45
Dec 12 09:08:00.524 INFO [stderr]    |
Dec 12 09:08:00.524 INFO [stderr] 65 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 12 09:08:00.524 INFO [stderr]    |                                             ----^^^
Dec 12 09:08:00.524 INFO [stderr]    |                                             |
Dec 12 09:08:00.524 INFO [stderr]    |                                             help: remove this `mut`
Dec 12 09:08:00.524 INFO [stderr]    |
Dec 12 09:08:00.524 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 09:08:00.524 INFO [stderr] 
Dec 12 09:08:00.572 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.572 INFO [stderr]    --> src/ea.rs:228:97
Dec 12 09:08:00.572 INFO [stderr]     |
Dec 12 09:08:00.572 INFO [stderr] 228 | pub fn create_population<T: Individual, P: Problem, R: Rng+Sized>(pop_size: u32, ind_size: u32, mut rng: &mut R, problem: &P) -> Vec<T> {
Dec 12 09:08:00.572 INFO [stderr]     |                                                                                                 ----^^^
Dec 12 09:08:00.572 INFO [stderr]     |                                                                                                 |
Dec 12 09:08:00.572 INFO [stderr]     |                                                                                                 help: remove this `mut`
Dec 12 09:08:00.572 INFO [stderr] 
Dec 12 09:08:00.596 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.596 INFO [stderr]   --> src/ga.rs:82:182
Dec 12 09:08:00.596 INFO [stderr]    |
Dec 12 09:08:00.596 INFO [stderr] 82 | pub fn cross<R: Rng+Sized, T: Individual+Clone>(popul: &Vec<T>, sel_inds: &Vec<usize>, children: &mut Vec<T>, use_elite: bool, x_type: CrossoverOperator, x_prob: f32, x_alpha: f32, mut rng: &mut R) {
Dec 12 09:08:00.596 INFO [stderr]    |                                                                                                                                                                                      ----^^^
Dec 12 09:08:00.596 INFO [stderr]    |                                                                                                                                                                                      |
Dec 12 09:08:00.596 INFO [stderr]    |                                                                                                                                                                                      help: remove this `mut`
Dec 12 09:08:00.596 INFO [stderr] 
Dec 12 09:08:00.600 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.600 INFO [stderr]    --> src/ga.rs:121:102
Dec 12 09:08:00.600 INFO [stderr]     |
Dec 12 09:08:00.600 INFO [stderr] 121 | fn cross_arithmetic<T: Individual, R: Rng+Sized>(p1: &T, p2: &T, c1: &mut T, c2: &mut T, alpha: f32, mut rng: &mut R) {
Dec 12 09:08:00.600 INFO [stderr]     |                                                                                                      ----^^^
Dec 12 09:08:00.600 INFO [stderr]     |                                                                                                      |
Dec 12 09:08:00.600 INFO [stderr]     |                                                                                                      help: remove this `mut`
Dec 12 09:08:00.600 INFO [stderr] 
Dec 12 09:08:00.643 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.643 INFO [stderr]   --> src/problem.rs:53:73
Dec 12 09:08:00.643 INFO [stderr]    |
Dec 12 09:08:00.643 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 12 09:08:00.643 INFO [stderr]    |                                                                         ----^^^
Dec 12 09:08:00.643 INFO [stderr]    |                                                                         |
Dec 12 09:08:00.643 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 12 09:08:00.643 INFO [stderr] 
Dec 12 09:08:00.652 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.652 INFO [stderr]   --> src/ne.rs:67:45
Dec 12 09:08:00.652 INFO [stderr]    |
Dec 12 09:08:00.652 INFO [stderr] 67 |     fn init<R: Rng>(&mut self, size: usize, mut rng: &mut R) {
Dec 12 09:08:00.652 INFO [stderr]    |                                             ----^^^
Dec 12 09:08:00.652 INFO [stderr]    |                                             |
Dec 12 09:08:00.652 INFO [stderr]    |                                             help: remove this `mut`
Dec 12 09:08:00.652 INFO [stderr] 
Dec 12 09:08:00.769 INFO [stderr] warning: variable does not need to be mutable
Dec 12 09:08:00.769 INFO [stderr]   --> src/problem.rs:53:73
Dec 12 09:08:00.769 INFO [stderr]    |
Dec 12 09:08:00.769 INFO [stderr] 53 |     fn get_random_individual<T: Individual, R: Rng>(&self, size: usize, mut rng: &mut R) -> T {
Dec 12 09:08:00.769 INFO [stderr]    |                                                                         ----^^^
Dec 12 09:08:00.769 INFO [stderr]    |                                                                         |
Dec 12 09:08:00.769 INFO [stderr]    |                                                                         help: remove this `mut`
Dec 12 09:08:00.769 INFO [stderr] 
Dec 12 09:08:04.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
Dec 12 09:08:04.687 INFO [stderr] su: No module specific data is present
Dec 12 09:08:05.123 INFO running `"docker" "inspect" "cd1f19bc02abbfb5d10bc93fb9f1036fc46bf8fbe6cfa15d4470ac2b652c091e"`
Dec 12 09:08:05.241 INFO running `"docker" "rm" "-f" "cd1f19bc02abbfb5d10bc93fb9f1036fc46bf8fbe6cfa15d4470ac2b652c091e"`
Dec 12 09:08:05.392 INFO [stdout] cd1f19bc02abbfb5d10bc93fb9f1036fc46bf8fbe6cfa15d4470ac2b652c091e